<template>
  <div>
    <NavType />
    <div class="main">
      <div class="py-container">
        <!--bread-->
        <div class="bread">
          <ul class="fl sui-breadcrumb">
            <li>
              <a href="#">全部结果</a>
            </li>
          </ul>
          <ul class="fl sui-tag">
            <!-- 点击三级列表生成的tag -->
            <li class="with-x" v-if="searchParams.categoryName">
              {{ searchParams.categoryName
              }}<i @click="removeCategoryNameTag">×</i>
            </li>
            <!-- 点击搜索生成的tag -->
            <li class="with-x" v-if="searchParams.keyword">
              {{ searchParams.keyword }}<i @click="removeKeywordTag">×</i>
            </li>
            <!-- 点击点击品牌logo生成的tag -->
            <li class="with-x" v-if="searchParams.trademark && searchParams.trademark.split(':')[1]!==searchParams.keyword">
              {{ searchParams.trademark.split(':')[1] }}<i @click="removetrademarkTag">×</i>
            </li>
            <!-- 点击手机属性列表生成rag   遍历的props数据 -->
            <li class="with-x" v-for="(attr,index) in searchParams.props" :key="index">
              {{attr.split(':')[1] }}<i @click="removePropsTag(index)">×</i>
            </li>
            
          </ul>
        </div>

        <!--selector-->  
        <!-- searchTrademark事件绑定给子，由子传值过来 -->
        <SearchSelector @searchTrademark = 'searchTrademark' @searchProps='searchProps'/>

        <!--details-->
        <div class="details clearfix">
          <div class="sui-navbar">
            <div class="navbar-inner filter">
              <ul class="sui-nav">
                <!-- 判断active在值为什么时候拥有 -->
                <!-- 点击事件判断点的哪个直接传当前的值 -->
                <li :class="{active:searchParams.order.split(':')[0] === '1'}" @click="changeOrder('1')">
                  <a>综合
                    <!-- order为1时显示图标，并且判断在某个order在升降序时分别显示什么 -->
                    <i 
                    v-show="searchParams.order.split(':')[0] === '1'"
                    class="iconfont"
                    :class="{
                      'icon-up':searchParams.order.split(':')[1] === 'asc',
                      'icon-down':searchParams.order.split(':')[1] === 'desc'
                    }"
                    ></i>
                    </a>
                </li>
                <li :class="{active:searchParams.order.split(':')[0] === '2'}" @click="changeOrder('2')">
                  <a >价格
                  <i 
                  v-show="searchParams.order.split(':')[0] === '2'"
                  class="iconfont"
                  :class="{
                    'icon-up':searchParams.order.split(':')[1] === 'asc',
                    'icon-down':searchParams.order.split(':')[1] === 'desc',
                  }"
                  ></i>
                  </a>
                </li>
              </ul>
            </div>
          </div>
          <div class="goods-list">
            <ul class="yui3-g">
              <li class="yui3-u-1-5" v-for="good in goodsList" :key="good.id">
                <div class="list-wrap">
                  <div class="p-img" > 
                    <router-link :to="`/Detail/${good.id}`"><img :src="good.defaultImg" /></router-link>
                  </div>
                  <div class="price">
                    <strong>
                      <em>¥</em>
                      <i>&nbsp;{{ good.price }}</i>
                    </strong>
                  </div>
                  <div class="attr">
                    <router-link :to="`/Detail/${good.id}`"
                      title="促销信息，下单即赠送三个月CIBN视频会员卡！【小米电视新品4A 58 火爆预约中】"
                      >{{ good.title }}</router-link
                    >
                  </div>
                  <div class="commit">
                    <i class="command">已有<span>2000</span>人评价</i>
                  </div>
                  <div class="operate">
                    <a
                      href="success-cart.html"
                      target="_blank"
                      class="sui-btn btn-bordered btn-danger"
                      >加入购物车</a
                    >
                    <a href="javascript:void(0);" class="sui-btn btn-bordered"
                      >收藏</a
                    >
                  </div>
                </div>
              </li>
            </ul>
          </div>
          <div class="fr page">
            <!-- 传入数据总数，当前页码，连续页码数 -->
           <Pagenation 
           :totalPages="searchList.totalPages" 
           :pageNo='searchParams.pageNo'
           :total='searchList.total'
           :continuePage="5"
           @changePage='changePage'
           />
          </div>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
import { mapActions, mapGetters, mapState } from "vuex";
import SearchSelector from "./SearchSelector/SearchSelector";
export default {
  name: "Search",
  data() {
    return {
      searchParams: {
        category1Id: "",
        category2Id: "",
        category3Id: "",
        categoryName: "",
        keyword: "",
        order: "2:desc",
        pageNo:1,
        pageSize: 10,
        props: [],
        trademark: "",
      },
    };
  },
  components: {
    SearchSelector,
  },
  //这里请求search数据
  mounted() {
    //因为每次点到search中，就要发送请求，当路由变化就要发送请求，所以把请求放到watch中监视路由变化
  },
  computed: {
    // 计算属性拿到getter里面的分别的对应的值
    ...mapGetters("search", ["goodsList"]),

    //拿到页码需要的数据，props传给子组件
    ...mapState('search',['searchList'])
  },
  methods: {
    //获取params和query参数，并合并
    getSearchParams() {
      //获取params
      const { keyword } = this.$route.params;
      const { category1Id, category2Id, category3Id, categoryName } =
        this.$route.query;
      //把params参数和query参数放在搜索参数数据上
      this.searchParams.keyword = keyword;
      this.searchParams.category1Id = category1Id;
      this.searchParams.category2Id = category2Id;
      this.searchParams.category3Id = category3Id;
      this.searchParams.categoryName = categoryName;
    },

    //ajax请求逻辑
    ...mapActions("search", ["getSearchList"]),

    //点击删除tag标签逻辑
    removeCategoryNameTag(){
      //清除所有内容，并重新请求
      this.searchParams.category1Id =""
      this.searchParams.category2Id =""
      this.searchParams.category3Id =""
      this.searchParams.categoryName =""
      //发送请求
       this.getSearchList(this.searchParams);  

      //删除categoryNametag标签时，删除对应的query，保留params
      this.$router.push({
        name:"search",
        params:this.$route.params
      })
    },
    removeKeywordTag(){
      this.searchParams.keyword =""
        //发送请求
       this.getSearchList(this.searchParams);  

      //删除keyword时，删除对应的params，保留query
      this.$router.push({
        name:'search',
        query:this.$route.query
      })

      //使用事件总线，这里点击时，清除掉hearder搜索框里的内容
      //这里调用header中的事件。
      this.$bus.$emit("clearSearch")
    },
    removetrademarkTag(){
      this.searchParams.trademark ="",
       //每次请求前,让pageNo还原为1
        this.searchParams.pageNo = 1
      //发送请求
       this.getSearchList(this.searchParams);  
    },
    //点击删除手机属性生成的tag
    removePropsTag(index){
      //直接使用splice删除掉对应index的数据
      this.searchParams.props.splice(index,1)
       //每次请求前,让pageNo还原为1
        this.searchParams.pageNo = 1
      // 重新发送请求
      this.getSearchList(this.searchParams);
    },

    //点击品牌查询的逻辑，子传父。
    searchTrademark(value){
      this.searchParams.trademark = value
      console.log(this.searchParams);
       //每次请求前,让pageNo还原为1
        this.searchParams.pageNo = 1
      //发送请求  
      
       this.getSearchList(this.searchParams);  
       
    },

    //点击手机属性参数，查询逻辑！  由子组件传递数据给父组件，自定义属性，
    //点击手机属性生成对应的tag标签（遍历props数据）
    searchProps(value){
      //拿到传递过来的值，添加请求的props数组中，同时判断数组是否有数据
      if(this.searchParams.props.includes(value)) return
      //额外逻辑，因为后台点击同一类时，自动刷新后无法点击同类其他数据了
      // 如果后台没有操作，可以通过删除数组中原本的同类的数据，再添加
     this.searchParams.props = this.searchParams.props.filter((item)=>{
        //id是切割后的第0项，所以对比原数组和添加后第0项的id是否相等
        item.split(':')[0] !== value.split(':')[0]
      })
      //没有就添加
      this.searchParams.props.push(value)
      console.log(this.searchParams.props,'手机属性');

      // 重新发送请求
      this.getSearchList(this.searchParams);
    },
    
    //点击综合升降序
    //传入点击的哪个
    changeOrder(type){
      // console.log(type);
      // 拿到老的数据
      const oldOrder = this.searchParams.order.split(':');
      //  console.log(oldOrder);
      //创建一个新的数据
      let newOrder = '';
      // 判断当前点击的是不是当前的排序方式
      if(oldOrder[0] === type){
        //那么新的还是当前类型，但是把排序顺序取反
        newOrder = type + ":" + (oldOrder[1] === "desc" ? "asc" : "desc");
      }else{
        //否则直接直接等于当前类型，并且给一个初始排序方式
        newOrder = type + ':' + 'desc'
      }
    
      //然后把新的值赋值给
      this.searchParams.order = newOrder
      // console.log(newOrder);
      //并重新请求
      this.getSearchList(this.searchParams);
    },
    
    // 点击页码切换,通过子传父接收传递的页码
    changePage(page){
      this.searchParams.pageNo = page
      //重新发送请求
      this.getSearchList(this.searchParams);
    }
  },

  watch: {
    //因为每次点到search中，就要发送请求，当路由变化就要发送请求，所以把请求放到watch中监视路由变化
    //首次进入search就要变化，所以用immediate立即刷新
    $route: {
      immediate: true,
      handler() {
        //再数据请求前，拿到params和query合并的数据
        this.getSearchParams(),
        //每次请求前,让pageNo还原为1
        this.searchParams.pageNo = 1
          //发送请求
        this.getSearchList(this.searchParams);
      },
    },
  },
};
</script>

<style lang="less" scoped>
.main {
  margin: 10px 0;

  .py-container {
    width: 1200px;
    margin: 0 auto;

    .bread {
      margin-bottom: 5px;
      overflow: hidden;

      .sui-breadcrumb {
        padding: 3px 15px;
        margin: 0;
        font-weight: 400;
        border-radius: 3px;
        float: left;

        li {
          display: inline-block;
          line-height: 18px;

          a {
            color: #666;
            text-decoration: none;

            &:hover {
              color: #4cb9fc;
            }
          }
        }
      }

      .sui-tag {
        margin-top: -5px;
        list-style: none;
        font-size: 0;
        line-height: 0;
        padding: 5px 0 0;
        margin-bottom: 18px;
        float: left;

        .with-x {
          font-size: 12px;
          margin: 0 5px 5px 0;
          display: inline-block;
          overflow: hidden;
          color: #000;
          background: #f7f7f7;
          padding: 0 7px;
          height: 20px;
          line-height: 20px;
          border: 1px solid #dedede;
          white-space: nowrap;
          transition: color 400ms;
          cursor: pointer;

          i {
            margin-left: 10px;
            cursor: pointer;
            font: 400 14px tahoma;
            display: inline-block;
            height: 100%;
            vertical-align: middle;
          }

          &:hover {
            color: #28a3ef;
          }
        }
      }
    }

    .details {
      margin-bottom: 5px;

      .sui-navbar {
        overflow: visible;
        margin-bottom: 0;

        .filter {
          min-height: 40px;
          padding-right: 20px;
          background: #fbfbfb;
          border: 1px solid #e2e2e2;
          padding-left: 0;
          border-radius: 0;
          box-shadow: 0 1px 4px rgba(0, 0, 0, 0.065);

          .sui-nav {
            position: relative;
            left: 0;
            display: block;
            float: left;
            margin: 0 10px 0 0;

            li {
              float: left;
              line-height: 18px;

              a {
                display: block;
                cursor: pointer;
                padding: 11px 15px;
                color: #777;
                text-decoration: none;
              }

              &.active {
                a {
                  background: #e1251b;
                  color: #fff;
                }
              }
            }
          }
        }
      }

      .goods-list {
        margin: 20px 0;

        ul {
          display: flex;
          flex-wrap: wrap;

          li {
            height: 100%;
            width: 20%;
            margin-top: 10px;
            line-height: 28px;

            .list-wrap {
              .p-img {
                padding-left: 15px;
                width: 215px;
                height: 255px;

                a {
                  color: #666;

                  img {
                    max-width: 100%;
                    height: auto;
                    vertical-align: middle;
                  }
                }
              }

              .price {
                padding-left: 15px;
                font-size: 18px;
                color: #c81623;

                strong {
                  font-weight: 700;

                  i {
                    margin-left: -5px;
                  }
                }
              }

              .attr {
                padding-left: 15px;
                width: 85%;
                overflow: hidden;
                margin-bottom: 8px;
                min-height: 38px;
                cursor: pointer;
                line-height: 1.8;
                display: -webkit-box;
                -webkit-box-orient: vertical;
                -webkit-line-clamp: 2;

                a {
                  color: #333;
                  text-decoration: none;
                }
              }

              .commit {
                padding-left: 15px;
                height: 22px;
                font-size: 13px;
                color: #a7a7a7;

                span {
                  font-weight: 700;
                  color: #646fb0;
                }
              }

              .operate {
                padding: 12px 15px;

                .sui-btn {
                  display: inline-block;
                  padding: 2px 14px;
                  box-sizing: border-box;
                  margin-bottom: 0;
                  font-size: 12px;
                  line-height: 18px;
                  text-align: center;
                  vertical-align: middle;
                  cursor: pointer;
                  border-radius: 0;
                  background-color: transparent;
                  margin-right: 15px;
                }

                .btn-bordered {
                  min-width: 85px;
                  background-color: transparent;
                  border: 1px solid #8c8c8c;
                  color: #8c8c8c;

                  &:hover {
                    border: 1px solid #666;
                    color: #fff !important;
                    background-color: #666;
                    text-decoration: none;
                  }
                }

                .btn-danger {
                  border: 1px solid #e1251b;
                  color: #e1251b;

                  &:hover {
                    border: 1px solid #e1251b;
                    background-color: #e1251b;
                    color: white !important;
                    text-decoration: none;
                  }
                }
              }
            }
          }
        }
      }

      .page {
        width: 733px;
        height: 66px;
        overflow: hidden;
        float: right;

        .sui-pagination {
          margin: 18px 0;

          ul {
            margin-left: 0;
            margin-bottom: 0;
            vertical-align: middle;
            width: 490px;
            float: left;

            li {
              line-height: 18px;
              display: inline-block;

              a {
                position: relative;
                float: left;
                line-height: 18px;
                text-decoration: none;
                background-color: #fff;
                border: 1px solid #e0e9ee;
                margin-left: -1px;
                font-size: 14px;
                padding: 9px 18px;
                color: #333;
              }

              &.active {
                a {
                  background-color: #fff;
                  color: #e1251b;
                  border-color: #fff;
                  cursor: default;
                }
              }

              &.prev {
                a {
                  background-color: #fafafa;
                }
              }

              &.disabled {
                a {
                  color: #999;
                  cursor: default;
                }
              }

              &.dotted {
                span {
                  margin-left: -1px;
                  position: relative;
                  float: left;
                  line-height: 18px;
                  text-decoration: none;
                  background-color: #fff;
                  font-size: 14px;
                  border: 0;
                  padding: 9px 18px;
                  color: #333;
                }
              }

              &.next {
                a {
                  background-color: #fafafa;
                }
              }
            }
          }

          div {
            color: #333;
            font-size: 14px;
            float: right;
            width: 241px;
          }
        }
      }
    }
  }
}
</style>